The day-long concert special featured standout performances from Osbourne and Black Sabbath, Metallica, Guns n' Roses, Jack Black and more.

Ozzy Osbourne reunited with Black Sabbath in his hometown of Birmingham for a farewell concert. Here's a look at the wild life of the "Prince of Darkness," including the time he bit the head off a bat.

Boozers were decked with purple balloons and flags; murals were everywhere you looked; people donned Ozzy outfits, flooding the streets with battered T-shirts and denim jackets. It felt like a World Cup final for the metal fans who flooded in from every corner of the planet .